Kokkos Core implements a programming model in C++ for writing performance portable applications targeting all major HPC platforms. For that purpose it provides abstractions for both parallel execution of code and data management. Kokkos is designed to target complex node architectures with N-level memory hierarchies and multiple types of execution resources. It currently can use CUDA, HIP, SYCL, HPX, OpenMP and C++ threads as backend programming models with several other backends in development.
Kokkos Core is part of the Kokkos C++ Performance Portability Programming Ecosystem.
Kokkos is a Linux Foundation project.
To start learning about Kokkos:
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Kokkos Lectures: they contain a mix of lecture videos and hands-on exercises covering all the important capabilities.
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Programming guide: contains in "narrative" form a technical description of the programming model, machine model, and the main building blocks like the Views and parallel dispatch.
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API reference: organized by category, i.e., core, algorithms and containers or, if you prefer, in alphabetical order.
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Use cases and Examples: a serie of examples ranging from how to use Kokkos with MPI to Fortran interoperability.
The latest release of Kokkos can be obtained from the GitHub releases page.
The current release is 4.3.00.
curl -OJ -L https://github.com/kokkos/kokkos/archive/refs/tags/4.3.00.tar.gz
# Or with wget
wget https://github.com/kokkos/kokkos/archive/refs/tags/4.3.00.tar.gzTo clone the latest development version of Kokkos from GitHub:
git clone -b develop https://github.com/kokkos/kokkos.gitTo build Kokkos, you will need to have a C++ compiler that supports C++17 or later. All requirements including minimum and primary tested compiler versions can be found here.
Building and installation instructions are described here.
You can also install Kokkos using Spack: spack install kokkos. Available configuration options can be displayed using spack info kokkos.
For the complete documentation: kokkos.org/kokkos-core-wiki/
For questions find us on Slack: https://kokkosteam.slack.com or open a GitHub issue.
For non-public questions send an email to: crtrott(at)sandia.gov
Please see this page for details on how to contribute.
Please see the following page.
Under the terms of Contract DE-NA0003525 with NTESS, the U.S. Government retains certain rights in this software.
The full license statement used in all headers is available here or here.
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